Water Quality in Dekalb, IL (60135)
EPA violation data for public water systems serving ZIP code 60135.
Active Health Violations
2 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 70% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,274
Population
22
Water Systems
12
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (22)
Dekalb
Crystal Lake
Algonquin
Lake In The Hills
Huntley
1 health-basedWoodstock
1 health-basedBelvidere
Holiday Acres Family Park
Genoa
All resolvedTrinity Lutheran Church
Trinity Lutheran Church
De Kalb Co Resource Center
De Kalb Co Resource Center
Circle K-D Riding Stables
Midwest Tibon Plating Co
Trinity Lutheran Church Genoa
All resolvedGenoa Mfg
Dekalb County Animal League
Genoa Mfg
Gum Farm Hunt Club
Franks Freshway Market - Genoa
Ideal Industries Park
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jul 2025
How Does This Compare?
Dekalb (60135) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.